Add device tree binding documentation for Everest ES8389 which
is different from ES8388
Signed-off-by: Zhang Yi <zhangyi@everest-semi.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250514094546.35508-3-zhangyi@everest-semi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
